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KMID : 1024520090180080911
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Journal of the Environmental Sciences
2009 Volume.18 No. 8 p.911 ~ p.918
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Mathematical Models of Environmental Problems on the Electromagnetic Interference for Wind Turbines
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Jang Se-Myong
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Abstract
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Electromagnetic interference (EMI) is defined as the interaction phenomena of electromagnetic waves scattered from a large structure or complex terrain. In this study, the propagation of linear wave is modeled with ray theory, direct simulation Monte Carlo (DSMC), and some classical theories on flat plates. The wave physics of reflection, refraction, and diffraction are simulated for the investigation of front and back scattering of the one-dimensional plane wave from a tower with ray theory and DSMC, respectively. The effect of rotating disk idealized from the real wind-turbine blades is modeled with a simplified version of the classical electromagnetic theory as well as DSMC based on the ray theory.
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KEYWORD
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Electromagnetic interference, Ray theory, Direct simulation Monte Carlo, Maxwell equations
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